<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>完美拖拽</title>
</head>
<link rel="stylesheet" href="./css/index.css">
<script src="./js/index.js"></script>
<body>
<center>
    <div id="box">
        <ul id="ul">
            <div id="div">
            <input type="button" value="点击回放拖动轨迹" id="btn">
            </div>
            <span>Drag:</span><li>false</li>
            <span>offsetTop:</span><li>00</li>
            <span>offsetLeft:</span><li>00</li>
        </ul>
    </div>
</center>
</body>
</html>